Thirds to william n



' (No Model.)

J. G. STRADER.

NUT LOOK.

No. 403,968. 'y igtented May 28, 289.

UNITED STATES PATENT OFFICE.

JULIUS G. STRADER, OF POlVELLTON, VEST VIRGINIA, ASSIGNOR OF TVVO- THIRDS TO IVILLIAH N. PAGE AND DAVID T. EVANS, OF- SAME PLACE.

NUT-LOCK.

SPECIFICATION forming part of Letters Patent NO. 403,968, dated May 28, 1889.

Application filed February 2, 1889. Serial No. 298,476. (No model.)

To all whom it may concern: of the rail and the upper face of the exten- Be it known that I, JULIUS GEORGE STRADER, sion B of the fish-plate. The washer or plate a citizen of the United States, residing in Pow- E is provided on its rear lower side or face ellton, county of Fayette, and State of \Vest with a recess, e. This recess is preferably Virginia, have invented certain new and useformed to extend from the extreme lower edge 5 5 ful Improvements in NutflLocks, of which the of the plate upwardly toward the bolt, and following is a specification. preferably inclined from the lower edge up- My invention relates to that class of nutwardly, as indicated in Fig. 2. The key F is locks in which a key is made to engage with shown in detail in Fig. 3. It consists of two to a washer or plate on the bolt, and also to enarms, f and f, separated by an intervening 6o gage with a polygonal nut to lock it in place. space, f The arms are joined at their inner The object of my invention is to simplify ends, f and at their outer ends are separated. and improve the construction of such 'nut- The arm f extends a short distance beyond locks, render them strong and durable, secure, the arm f. The arm f is preferably formed I 5 and easily manipulated; and to this end my with an inclined lower edge to correspond with 65 invention consists in providing a washer or the inclination of the upper face of the fishplate on the bolt, in forming a recess in the plate extension B. The arm f is preferably rear face of the washer or plate, and in proraised slightly above the lower face of the arm viding a locking-key consisting of two arms f, and its outer end is turned up slightly and separated by an intervening space, one of said provided with a lug, lip, or nose, f". By slid- 7o arms adapted to lie in the recess in the .rear ing the arm f into the recess 6 in the plateE face of the plate and the other arm adapted the arms will straddle the plate, and when to lie close to the face or front of the plate in placed in proper position the lug, nose, or lip engagement with the nut. The arm which f will spring back and engage with the side lies in the recess in the rear face of the plate of the plate E, thereby securely locking the 75 or washer is preferably extended beyond the key to the plate. The lug, lip, or nose f is outer end of the other arm, and is provided preferably rounded on its upper end, so as to with a lug, nose, or lip, which engages with yield readily when unusual force is applied .the side of the plate or washer and locks the to withdraw the key from the plate. key to the plate. It will be understood that the nut is first 80 In the accompanyingdrawings, illustrating screwed home and brought to a position in my invention, Figure 1 is a side elevation of which one of the sides or faces will be parala section of rail with my improvements aplel with the extension of the fish-plate. The plied. Fig. 2 is a view of the same, partly in key is then inserted and engages with the 3 5 cross-section and partly in elevation; and plate E, the outer arm, f, of the key passing 85 Fig. 3 is a perspective view of the bolt, nut, under the nut and fitting it closely, so that plate, and key. the nut cannot be further moved either way I have shown myimproved nut-lock applied until the key is withdrawn. to an ordinary track-rail, the rail A and fish- I claim as my inve11tionplate B being of any suitable construction; 1. The combination, substantially as here- 9 but the fish-plate is preferably provided with inbefore set forth, of the rail, the fish-plate an inclined laterally-projecting flange, B, as having a lateral extension, the bolt and nut indicated in the drawings. The bolt 0 passes for securing the fish-plate to the rail, the through the rail and the fish-plate in the usual washer lying against the vertical face of the way, and carries aunt, D, which may be square fish-plate and having a recess in its lower rear 95 or polygonal, but preferably hexagonal, as face, the key having an arm adapted to fit shown. Between the nut and the vertical face said recess, and an outer arm arranged on the of the fish-plate B is interposed a plate or outside of the plate or washer and engaging washer, E, preferably square, as shown, and with the nut.

made to fit neatly between the lower edge, a, 2. The combination, substantially as here- I00 inbefore set forth, of the rail, the fish-plate having an inclined lateral extension, the plate or washer arranged against the vertical wall of the fish-plate and extending to its lateral extension and provided with a recess in its lower-rear face, the bolt and nut for securing together the rail, the fish-plate, and the plate or washer, and the key consisting of two arms Separated as described and joined at one end, one of said arms being inclined or beveled 011 its lower face, the other of said arms being raised slightly above the lower face of the other arm and provided with a lug, lip,

or nose on its outer side to engage with the plate or washer. V

In testimony whereof I have hereunto subscribed my name.

JULIUS e. STRADER.

Witnesses:

J. E. VAWTER, W. A. LAIN. 

